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From Mark Kerzner <markkerz...@gmail.com>
Subject Re: Can I get all the query data back into memory?
Date Fri, 10 Jun 2011 05:56:52 GMT
Thanks a bunch.
Mark

On Thu, Jun 9, 2011 at 10:26 PM, Jonathan Ellis <jbellis@gmail.com> wrote:

> On Thu, Jun 9, 2011 at 9:50 PM, Mark Kerzner <markkerzner@gmail.com>
> wrote:
> > Hi,
> > when I am issuing some query, that returns a HashMap, does the whole
> HashMap
> > have to be in memory?
>
> Yes.
>
> > If so, it can easily use up all memory? Is there some
> > cursor or paging provisions?
>
> Yes, that is what all the start_key parameters are for.
>
> But we strongly recommend using a high-level client like Hector
> instead of raw Thrift.  Also see the CQL drivers:
>
> http://www.datastax.com/dev/blog/what%E2%80%99s-new-in-cassandra-0-8-part-1-cql-the-cassandra-query-language
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of DataStax, the source for professional Cassandra support
> http://www.datastax.com
>

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